The murder of a prep school student points to a mystery woman who may have been extorting money from the victim’s wealthy father.

Frank must race to stop a biological weapon attack on New York City, while keeping it a secret from his family during their most sentimental holiday, Mother’s Day. Meanwhile, a…

Investigation into the suspected rape of a woman Benson helped earlier leads to a cybermogul; the team bids farewell to Sgt. Munch.

When the paternity of a missing young boy is placed into question, Stabler wonders if he really is the father of Kathy’s child. Later, Stabler faces the possibility of losing…